<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<link href="css/app.css"rel="stylesheet"
    type="text/css"></link>
<title>基于Spring Security的权限管理应用</title>
</head>
<body class="security-app">
    <div class="details">
    <h2>基于Spring Security的权限管理应用</h2>
    </div>
    <div class="lc-block">      
        <div class="alert-danger">
            <h3>你没有权限访问当前页面内容！</h3> 
        </div>
        <form action="/logout" method="post">
            <input type="submit" class="button red big" value="Sign in as different user" /> <input
                type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}" />
        </form>     
    </div>  
</body>
</html>